Home / 1,213,928.57-1,675,221.51-670,064.49

Finding the Fourth Proportional to 1,213,928.57, 1,675,221.51 and 670,064.49

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Solution

The fourth proportional to 1,213,928.57, 1,675,221.51 and 670,064.49 is: 924,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,928.57 : 1,675,221.51 = 670,064.49 : x
  2. Step 2: Convert to fraction form
    1,213,928.57/1,675,221.51 = 670,064.49/x
  3. Step 3: Cross multiply
    1,213,928.57x = 1,675,221.51 × 670,064.49
  4. Step 4: Simplify right side
    1,213,928.57x = 1,122,506,446,735.18
  5. Step 5: Solve for x
    x = 1,122,506,446,735.18/1,213,928.57
  6. Step 6: Final answer
    x = 924,689.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.